Home / 13,510.07-20,253.77-4,750.73

Finding the Fourth Proportional to 13,510.07, 20,253.77 and 4,750.73

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Solution

The fourth proportional to 13,510.07, 20,253.77 and 4,750.73 is: 7,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.07 : 20,253.77 = 4,750.73 : x
  2. Step 2: Convert to fraction form
    13,510.07/20,253.77 = 4,750.73/x
  3. Step 3: Cross multiply
    13,510.07x = 20,253.77 × 4,750.73
  4. Step 4: Simplify right side
    13,510.07x = 96,220,169.00
  5. Step 5: Solve for x
    x = 96,220,169.00/13,510.07
  6. Step 6: Final answer
    x = 7,122.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.